#include <iostream>

const int ArSize = 8;
int sum_arr (int arr[], int n);

int main()
{
	using namespace std;

	int cookies[ArSize] = {1,2,4,8,16,32,64,128};

	int sum = sum_arr(cookies, ArSize);
	cout << "Total cookies eaten: " << sum << "\n";

	return 0;
}

int sum_arr(int arr[], int n)
{
	int total = 0;
	for(int i=0; i<n; i++)
	{
		total = total + arr[i];	
	}

	return total;
}
